The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-533-9716, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ernst, John C & Co, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-533-9716 |
| Primary Part Number | 131-1.25IN |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| Maximum Temp Rating | 225.0 FAHRENHEIT DEGF |
| Maximum Working Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 131-1.25IN PRIMARY | Ernst, John C & Co, Inc. (USA) |
| Reference | Meaning |
|---|---|
| E13024 REV C (131-1.25IN) | 5/1 Secondary reference Ernst, John C & Co, Inc. |
NSN 6680-01-533-9716 is a Indicator,sight,liquid, manufactured by Ernst, John C & Co, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-533-9716 has 1 manufacturer part number on file: 131-1.25IN (Ernst, John C & Co, Inc.).
Key specifications for 131-1.25IN: Maximum Temp Rating: 225.0 FAHRENHEIT DEGF; Special Features: MEDIUM PRESSURE-DOUBLE WINDOW-THREADED, ROTATOR-PADDLEWHEEL INDICATOR USED FOR CLEAR MEDIA TO ENHANCE FLOW INDICATION-ANY DIRECTION-MATL GLASS TEMP SODA LIME, SEALS NEOPRINE VITON, ROTATOR/FLAPPER- DELRIN; Maximum Working Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) LBS; Material: COPPER ALLOY. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.